• Performance (standard port with closed heat crossover)
• Port size 1.23 x 1.99 x .060 thick

Compatible Engines

• 283 305 307 327 350 383 400 Small Block Chev Performance 0L V8
• 283 4.6L V8
• 305 5L V8
• 307 327 350 383 Small Block Chev Performance 0L V8
• 307 5L V8
• 327 5.4L V8
• 350 5.7L V8
• 400 Chev 6.6L V8

Compatible Vehicles

• Chevrolet Bel Air 1957 - 1967 4.6L
• Chevrolet Impala 1957 - 1967 4.6L
• Chevrolet Impala 1975 - 1978 5.4L
• Chevrolet Various 1957 - 1967 4.6L
• Chevrolet Various 1962 - 1969 5.4L
• Chevrolet Various 1967 - 1973 5L
• Chevrolet Various 1967 - 1996 5.7L
• Chevrolet Various 1970 - 1980 6.6L
• Chevrolet Various 1976 - 1986 5L
• Chevrolet Various TBA - TBA 0L
• Holden HG 1970 - 1971 5.7L
• Holden HK 1968 - 1969 5.4L
• Holden HK 1968 - 1969 5L
• Holden HQ 1971 - 1974 5.7L
• Holden HT 1969 - 1970 5.7L
• Holden HT 1969 - 1970 5L
• Holden Suburban 1500 1998 - 2001 5.7L
• Holden Various TBA - TBA 0L

Notes

For Engine(s): 283,283 305 307 327 350 383 400 Small Block Chev Performance,305,307,307 327 350 383 Small Block Chev Performance,327,350,400 Chev
Performance (standard port with closed heat crossover)
Port size 1.23 x 1.99 x .060 thick